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Black Canyon of the Gunnison #11

Closeup of a section known as "the painted wall". The effect is the result of numerous volcanic dikes cutting through the granite mass.

 

en.wikipedia.org/wiki/Dike_(geology)

 

Montrose, Colorado.

 

en.wikipedia.org/wiki/Black_Canyon_of_the_Gunnison_Nation...

 

www.nps.gov/blca/index.htm

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Uploaded on January 30, 2012
Taken on August 5, 2010